Home / 493,309.44-739,949.58-426,554.91

Finding the Fourth Proportional to 493,309.44, 739,949.58 and 426,554.91

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Solution

The fourth proportional to 493,309.44, 739,949.58 and 426,554.91 is: 639,819.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,309.44 : 739,949.58 = 426,554.91 : x
  2. Step 2: Convert to fraction form
    493,309.44/739,949.58 = 426,554.91/x
  3. Step 3: Cross multiply
    493,309.44x = 739,949.58 × 426,554.91
  4. Step 4: Simplify right side
    493,309.44x = 315,629,126,501.44
  5. Step 5: Solve for x
    x = 315,629,126,501.44/493,309.44
  6. Step 6: Final answer
    x = 639,819.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.